12386780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 30051840

約数和(自身を除く): 17665060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 859, 1030, 1442, 1718, 2060, 2884, 3436, 3605, 4295, 6013, 7210, 8590, 12026, 14420, 17180, 24052, 30065, 60130, 88477, 120260, 176954, 353908, 442385, 619339, 884770, 1238678, 1769540, 2477356, 3096695, 6193390, 12386780]

約数ペア:

[(1, 12386780), (2, 6193390), (4, 3096695), (5, 2477356), (7, 1769540), (10, 1238678), (14, 884770), (20, 619339), (28, 442385), (35, 353908), (70, 176954), (103, 120260), (140, 88477), (206, 60130), (412, 30065), (515, 24052), (721, 17180), (859, 14420), (1030, 12026), (1442, 8590), (1718, 7210), (2060, 6013), (2884, 4295), (3436, 3605)]